forked from lix-project/lix
100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
#include "command.hh"
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#include "store-api.hh"
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#include "derivations.hh"
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#include "nixexpr.hh"
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namespace nix {
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Commands * RegisterCommand::commands = nullptr;
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StoreCommand::StoreCommand()
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{
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}
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ref<Store> StoreCommand::getStore()
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{
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if (!_store)
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_store = createStore();
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return ref<Store>(_store);
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}
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ref<Store> StoreCommand::createStore()
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{
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return openStore();
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}
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void StoreCommand::run()
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{
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run(getStore());
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}
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StorePathsCommand::StorePathsCommand(FileIngestionMethod recursive)
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: recursive(recursive)
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{
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if (recursive == FileIngestionMethod::Recursive)
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mkFlag()
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.longName("no-recursive")
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.description("apply operation to specified paths only")
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.set(&this->recursive, FileIngestionMethod::Flat);
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else
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mkFlag()
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.longName("recursive")
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.shortName('r')
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.description("apply operation to closure of the specified paths")
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.set(&this->recursive, FileIngestionMethod::Recursive);
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mkFlag(0, "all", "apply operation to the entire store", &all);
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}
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void StorePathsCommand::run(ref<Store> store)
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{
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StorePaths storePaths;
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if (all) {
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if (installables.size())
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throw UsageError("'--all' does not expect arguments");
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for (auto & p : store->queryAllValidPaths())
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storePaths.push_back(p.clone());
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}
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else {
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for (auto & p : toStorePaths(store, realiseMode, installables))
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storePaths.push_back(p.clone());
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if (recursive == FileIngestionMethod::Recursive) {
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StorePathSet closure;
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store->computeFSClosure(storePathsToSet(storePaths), closure, false, false);
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storePaths.clear();
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for (auto & p : closure)
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storePaths.push_back(p.clone());
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}
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}
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run(store, std::move(storePaths));
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}
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void StorePathCommand::run(ref<Store> store)
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{
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auto storePaths = toStorePaths(store, NoBuild, installables);
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if (storePaths.size() != 1)
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throw UsageError("this command requires exactly one store path");
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run(store, *storePaths.begin());
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}
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Strings editorFor(const Pos & pos)
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{
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auto editor = getEnv("EDITOR").value_or("cat");
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auto args = tokenizeString<Strings>(editor);
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if (pos.line > 0 && (
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editor.find("emacs") != std::string::npos ||
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editor.find("nano") != std::string::npos ||
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editor.find("vim") != std::string::npos))
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args.push_back(fmt("+%d", pos.line));
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args.push_back(pos.file);
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return args;
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}
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}
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